. >>> today, funeral services for one of the bombing victims, 29-year-old krystle campbell. and across boston and the world, the outpouring of support for the victims and the heroes continues. ♪ sweet caroline ♪ whoa whoa whoa ♪ good times never seemed so good ♪ ♪ so good, so good, so good ♪ i've been inclined ♪ whoa whoa whoa >> an emotional week in boston and we're on top of all the stories, good day, i'm andrea mitchell live in washington. boston and the nation pause for a moment of silence one week after the first bomb blast at the boston marathon. seven days later, investigators from the fbi and c.i.a. are taking the first crucial steps in trying to communicate with boston bombing suspect, dzhokhar tsarnaev. joining me now, nbc news justice correspondent, pete williams. pete, what do we know about their ability to communicate with him and about the legal steps that they will be taking? >> well, their ability to communicate with him is limited, because of this injury he has, his injuries are pretty serious. ehe's said to be in serious but stable condition.